沉积物质量评价“三元法”及其在近海中的应用

被引：5

作者：

吴斌 ^{[1
,2
]}

宋金明 ^{[1
]}

李学刚 ^{[1
]}

袁华茂 ^{[1
]}

李宁 ^{[1
]}

机构：

[1] 中国科学院海洋研究所,海洋生态与环境科学重点实验室

[2] 中国科学院研究生院

来源：

生态学报 | 2012年 / 32卷 / 14期

关键词：

沉积物质量三元法; 综合评价; 沉积物质量评价; 沉积物;

D O I：

暂无

中图分类号：

X824 [水质评价];

学科分类号：

071012 ; 0713 ; 083002 ;

摘要：

沉积物质量评价"三元法(sediment quality triad,SQT)"是一种基于生物效应的综合评价方法,主要包括化学、毒理、生态3个基元。尽管各基元可通过选择适当参数,单独反映沉积物中致污物的环境风险,但以证据权重法结合其三基元,则更能全面描述沉积物中有害化学物质与生物效应之间的因果逻辑关系,加强化学致污物及其污染水平的生态相关性,为环境治理及修复等提供重要依据。从基元构成和数据解译两方面回顾了SQT方法的研究进展,介绍了该法在国内外的应用实例,剖析了提高评价可靠性的相关手段,并结合我国近海沉积物环境质量评价现状,展望了SQT法的未来研究及应用前景。结果表明,通过替换、改进现有基元或增加其它基元的方式可提高SQT评价结果的可靠性,而引入新的数据解译方法则可使本方法的评价过程更加透明、评价结果更加直观。适于评估化学胁迫对沉积物等环境介质造成的损害,已广泛应用于世界各地,是目前主要的综合评价方法,具有良好的研究与应用前景。

引用

页码：4566 / 4574

页数：9

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